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>SPI_fname</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN58661"
></A
><H2
>Name</H2
>SPI_fname&nbsp;--&nbsp;determine the column name for the specified column number</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN58666"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>char * SPI_fname(TupleDesc <TT
CLASS="PARAMETER"
>rowdesc</TT
>, int <TT
CLASS="PARAMETER"
>colnumber</TT
>)</PRE
></DIV
><DIV
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><A
NAME="AEN58670"
></A
><H2
>Description</H2
><P
>   <CODE
CLASS="FUNCTION"
>SPI_fname</CODE
> returns a copy of the column name of the
   specified column.  (You can use <CODE
CLASS="FUNCTION"
>pfree</CODE
> to
   release the copy of the name when you don't need it anymore.)
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN58675"
></A
><H2
>Arguments</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="LITERAL"
>TupleDesc <TT
CLASS="PARAMETER"
>rowdesc</TT
></TT
></DT
><DD
><P
>      input row description
     </P
></DD
><DT
><TT
CLASS="LITERAL"
>int <TT
CLASS="PARAMETER"
>colnumber</TT
></TT
></DT
><DD
><P
>      column number (count starts at 1)
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN58690"
></A
><H2
>Return Value</H2
><P
>   The column name; <TT
CLASS="SYMBOL"
>NULL</TT
> if
   <TT
CLASS="PARAMETER"
>colnumber</TT
> is out of range.
   <TT
CLASS="VARNAME"
>SPI_result</TT
> set to
   <TT
CLASS="SYMBOL"
>SPI_ERROR_NOATTRIBUTE</TT
> on error.
  </P
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